:Product: 19970627RSGA.txt
:Issued: 1997 Jun 27 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY
SDF NUMBER 178 ISSUED AT 2200Z ON 27 JUN 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  26/2100Z
TO 27/2100Z:  SOLAR ACTIVITY WAS VERY LOW.  REGION 8056 (N17W47) HAS
DECREASED IN SIZE AND THE NUMBER OF SUNSPOTS.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW  WITH A SMALL CHANCE FOR WEAK C-CLASS FLARES AS REGION
8056'S ACTIVITY FLUCTUATES.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 26/2100Z TO 27/2100Z:
THE GEOMAGNETIC FIELD WAS GENERALLY QUIET TO UNSETTLED WITH ONE
PERIOD REACHING ACTIVE LEVELS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO ACTIVE.
III.  EVENT PROBABILITIES 28 JUN-30 JUN
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           27 JUN 072
PREDICTED   28 JUN-30 JUN  072/073/074
90 DAY MEAN        27 JUN 074
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 26 JUN  006/005
ESTIMATED AFR/AP 27 JUN  012/015
PREDICTED AFR/AP 28 JUN-30 JUN  010/010-010/008-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 28 JUN-30 JUN
A.  MIDDLE LATITUDES
ACTIVE                10/15/10
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/20/15
MINOR STORM           05/10/05
MAJOR-SEVERE STORM    01/01/01